Sitey — free subdomains MCP Server

by sitey Your server? Claim it

answering

Sitey — free subdomains is answering right now. Last checked 5 min ago. It exposes 10 tools. Last commit 7 Oct 2026.

Claim a working subdomain in one call — A, CNAME and TXT records. No domain to buy, no account.

Uptime history 54 days of history · worst day 98%

54 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

751 ms

Response time

average over 24h

Stars

last commit 7 Oct 2026

What changed 6

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 16 September 2026. No other catalogue keeps this.

12 Oct a tool appeared extend_subdomain

7 Oct 2 tool descriptions were rewritten create_subdomain, create_txt_record

16 Sep 2 tool descriptions were rewritten create_subdomain, list_subdomains

16 Sep a tool changed the parameters it asks for create_subdomain

What the code does

We read the source, 3 d ago · tools taken from the live server · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Builds a file path from a variable routes/pages.js:289, deploy/preview-emails.js:118

          path.join(__dirname, "..", "content", dir, `${name}.${lang}.md`),

Page loads a third-party script public/index.html:91

    <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-4214732111289465"

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add subdomains --transport http https://sitey.my/mcp

Settings → Connectors → Add custom connector, then paste this address

https://sitey.my/mcp

~/.codex/config.toml

[mcp_servers.subdomains]
url = "https://sitey.my/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "subdomains": {
      "url": "https://sitey.my/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "subdomains": {
      "type": "http",
      "url": "https://sitey.my/mcp"
    }
  }
}

Available tools 10

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

subdomain

create_subdomain

Create a new DNS record for a subdomain. Supports A records (IP address), CNAME records (hostname) and REDIRECT records (an https:// URL — visitors to the name are sent there with a 301). Example: create demo.sitey.my pointing to 1.2.3.4. No account, API key or signup is needed. The target does not have to be serving yet: claim the name first and deploy to it second if that is your order. The result carries reachable:false when nothing answered, and the record is created either way. If you send no owner_token, the result carries a new one under 'owner_token' — save it, it is shown once and is the only way to change or delete this record later. Without an API key, a CNAME or REDIRECT may not point at a temporary tunnel (trycloudflare.com, ngrok and the like), names containing words such as login or wallet are refused with ACCOUNT_REQUIRED, and TXT records are not available.

delete_subdomain

Permanently delete a subdomain DNS record you own. The subdomain will stop resolving immediately.

update_subdomain

Update the DNS record value of a subdomain you own. For example, change the IP address that demo.sitey.my points to. The new target does not have to be serving yet; the result carries reachable:false when nothing answered, and the record is moved either way.

txt

create_txt_record

Create or update a TXT record for domain verification. Used for services like Vercel (_vercel) and Netlify that require DNS-based ownership proof. The record is placed at the root domain under the prefix you give (e.g. _vercel.sitey.my), alongside the other owners' values — that is the name Vercel reads for a subdomain of sitey.my. Needs an account: send an API key from the dashboard (Authorization: Bearer styo_…) on the MCP request. Without one this returns ACCOUNT_REQUIRED.

delete_txt_record

Delete a TXT verification record from a subdomain you own.

availability

check_availability

Check if a specific subdomain name is available for registration under a given domain. Returns true if the name is free to claim.

domains

list_domains

List available root domains (e.g. sitey.my, sitey.one) that you can create subdomains under. Call this first to know which domains are available.

extend

extend_subdomain

Paying for a year is switched off on this server, so this always answers PAYMENT_DISABLED. Use renew_subdomain, which is free and adds a month.

renew

renew_subdomain

Extend a subdomain you own before it expires. Subdomains are lent for a period, not given: agent-created records last one month and user records three. Nothing emails an agent, so read expires_at from list_subdomains and call this before that date. One call resets the clock from today. Renewal only opens in the last two weeks before expires_at — an earlier call is refused and tells you the date it opens.

subdomains

list_subdomains

List all subdomains you own. Returns subdomain name, domain, record type, value, and creation date. A REDIRECT record also carries hits: how many visits it has answered in total, how many this calendar month, and when the last one was. Filtered by your API key, or by the owner_token you pass, or — for records made before tokens existed — by your IP address.

Endpoints

URL	Transport	State	Latency	Checked
https://sitey.my/mcp	streamable-http	answering	787 ms	5 min ago

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Sitey — free subdomains — questions

Answers built from our own checks of this server.

What can Sitey — free subdomains do?

It exposes 10 tools, read directly from the server on our last check. Among them: check_availability, create_subdomain, create_txt_record, delete_subdomain, delete_txt_record, extend_subdomain and 4 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

What is Sitey — free subdomains mostly used for?

Its tools cluster around subdomain and txt. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is Sitey — free subdomains working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 751 ms. The bar chart above shows every period we have measured.

How do I connect Sitey — free subdomains?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Sitey — free subdomains need an API key?

No. Sitey — free subdomains completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 10 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Sitey — free subdomains?

It answers our handshake in 751 ms on average, which is faster than 10% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Sitey — free subdomains open source?

The code is open source: it is published under the ISC licence, written in JavaScript and 1 stars on GitHub. The licence covers the code in the repository, not the hosted service at sitey.my, which runs on its operator's own terms.